Question

A coil of resistance 400???? is placed in a magnetic field. If
the magnetic flux Φ (wb) linked with the coil varies with time
t (sec) as Φ = 50t² + 4. The current in the coil at t = 2 sec is
(a) 0.5 A (b) 0.1 A (c) 2 A (d) 1 A

Answer 1

Answer:

(a) 0.5 A

Explanation:

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